Cloudanix VulnDB

CVE-2026-30587

High · 8.7

CVSS

8.7

EPSS

0.5%

Published

Mar 25, 2026

CISA due date

—

The record

Multiple Stored XSS vulnerabilities exist in Seafile Server version 13.0.15,13.0.16-pro,12.0.14 and prior and fixed in 13.0.17, 13.0.17-pro, and 12.0.20-pro, via the Seadoc (sdoc) editor. The application fails to properly sanitize WebSocket messages regarding document structure updates. This allows authenticated remote attackers to inject malicious JavaScript payloads via the src attribute of embedded Excalidraw whiteboards or the href attribute of anchor tags

Affected packages

Ecosystem Package Introduced Fixed
npm @seafile/sdoc-editor 0 2.0.209
npm @seafile/sdoc-editor 3.0.0 3.0.75

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